Yehowshua/ZIm
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Scale quads by scale factor before writing to Metal buffer

Browse source 
Co-Authored-By: Antonio Scandurra <me@as-cii.com>
This commit is contained in:
Nathan Sobo 2021-03-21 09:19:12 -06:00
parent 31fb707eea
commit 04665800c0
2 changed files with 18 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

22
gpui/src/platform/mac/renderer.rs
View file

@ -65,11 +65,11 @@ impl Renderer {
});
for layer in scene.layers() {
self.render_quads(layer, ctx);
self.render_quads(scene, layer, ctx);
}
}
fn render_quads(&mut self, layer: &Layer, ctx: &RenderContext) {
fn render_quads(&mut self, scene: &Scene, layer: &Layer, ctx: &RenderContext) {
ctx.command_encoder
.set_render_pipeline_state(&self.quad_pipeline_state);
ctx.command_encoder.set_vertex_buffer(
@ -96,15 +96,17 @@ impl Renderer {
let buffer_contents = self.instances.contents() as *mut shaders::GPUIQuad;
for quad_batch in layer.quads().chunks(batch_size) {
for (ix, quad) in quad_batch.iter().enumerate() {
let bounds = quad.bounds * scene.scale_factor();
let shader_quad = shaders::GPUIQuad {
origin: bounds.origin().to_float2(),
size: bounds.size().to_float2(),
background_color: quad
.background
.unwrap_or(ColorU::transparent_black())
.to_uchar4(),
};
unsafe {
*(buffer_contents.offset(ix as isize)) = shaders::GPUIQuad {
origin: quad.bounds.origin().to_float2(),
size: quad.bounds.size().to_float2(),
background_color: quad
.background
.unwrap_or(ColorU::transparent_black())
.to_uchar4(),
};
*(buffer_contents.offset(ix as isize)) = shader_quad;
}
}
self.instances.did_modify_range(NSRange {

6
gpui/src/scene.rs
View file

@ -1,3 +1,5 @@
use core::f32;
use crate::{color::ColorU, geometry::rect::RectF};
pub struct Scene {
scale_factor: f32,
@ -38,6 +40,10 @@ impl Scene {
}
}
pub fn scale_factor(&self) -> f32 {
self.scale_factor
}
pub fn layers(&self) -> &[Layer] {
self.layers.as_slice()
}